diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/wrappers')
| -rw-r--r-- | src/northbridge/amd/amdmct/wrappers/mcti_d.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/wrappers/mcti_d.c b/src/northbridge/amd/amdmct/wrappers/mcti_d.c index f6c44c500b..61b432304c 100644 --- a/src/northbridge/amd/amdmct/wrappers/mcti_d.c +++ b/src/northbridge/amd/amdmct/wrappers/mcti_d.c @@ -415,6 +415,23 @@ static void vErratum372(struct DCTStatStruc *pDCTstat) wrmsr(NB_CFG_MSR, msr); } } + +static void vErratum414(struct DCTStatStruc *pDCTstat) +{ + int dct=0; + for(; dct < 2 ; dct++) + { + int dRAMConfigHi = Get_NB32(pDCTstat->dev_dct,0x94 + (0x100 * dct)); + int powerDown = dRAMConfigHi && (1 << PowerDownEn ) ; + int ddr3 = dRAMConfigHi && (1 << Ddr3Mode ) ; + int dRAMMRS = Get_NB32(pDCTstat->dev_dct,0x84 + (0x100 * dct)); + int pchgPDModeSel = dRAMMRS && (1 << PchgPDModeSel ) ; + if (powerDown && ddr3 && pchgPDModeSel ) + { + Set_NB32(pDCTstat->dev_dct,0x84 + (0x100 * dct), dRAMMRS & ~(1 << PchgPDModeSel) ); + } + } +} #endif @@ -425,6 +442,7 @@ static void mctHookBeforeAnyTraining(struct MCTStatStruc *pMCTstat, struct DCTSt if (pDCTstatA->LogicalCPUID & AMD_DRBH_Cx) { vErrata350(pMCTstat, pDCTstatA); vErratum372(pDCTstatA); + vErratum414(pDCTstatA); } #endif } |